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Can two R packets be on every other list?

Say I have 3 packages A , B and C

B connects to data repository 1 and has features specific to this API.

C connects to data repository 2 and has features specific to this API.

In the end there will be a few more child packages.

Package A will have generic methods and other common functions (such as authentication) that apply to data received through B and C The rationale here is that it will be a more ordered way to keep up with development (for example, you would need to update one auth function, and not do it inside each child package). Therefore, for A it makes sense to be in the list of dependencies for B and C

But I would also like users to just install A and get access to all the child packages. To do this, I want B and C be on a list that depends on it.

Is it possible? Should I have a better workflow?

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The gregmisc package is one example that sets up more targeted subpackages via dependency. It has no functions, but it certainly can.

http://cran.r-project.org/web/packages/gregmisc

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Source: https://habr.com/ru/post/1394923/

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